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|
#!/bin/sh
#
# Test making a patch between two different system images
#
# Copyright (C) 2012 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
set -eu
( # make the dummy stratum contain a chunk for a fake kernel
mkdir -p "$DATADIR/dummykernel"
cd "$DATADIR/dummykernel"
git init --quiet
cat <<EOF >dummykernel.morph
{
"name": "dummykernel",
"kind": "chunk",
"install-commands": [
"mkdir -p \"\$DESTDIR/boot\"",
"touch \"\$DESTDIR\"/extlinux.conf",
"touch \"\$DESTDIR\"/boot/vmlinuz",
"touch \"\$DESTDIR\"/boot/System.map"
]
}
EOF
git add .
git commit --quiet -m "Make dummy boot files"
cd "$DATADIR/morphs-repo"
git checkout --quiet master
sed -i -e 's/^.*sources.*$/&\
{\
"name": "dummykernel",\
"ref": "master"\
},\
/' hello-stratum.morph
git commit --quiet -m "add dummy kernel" hello-stratum.morph
)
tests/morph build morphs-repo master hello-system.morph
# save the stratum as we will apply the patch on top of this later
cp "$DATADIR/cache/"*stratum* "$DATADIR"/farrokh-stratum
( # make an evil stratum
cd "$DATADIR/chunk-repo"
git checkout --quiet -b evil farrokh
sed -i -e 's/hello/goodbye/g' hello.c
git add hello.c
git commit --quiet -m "Make the program evil"
cd "$DATADIR/morphs-repo"
git checkout --quiet -b evil master
sed -i -e 's/farrokh/evil/g' hello-stratum.morph
git add hello-stratum.morph
git commit --quiet -m "Build evil systems"
)
tests/morph build morphs-repo evil hello-system.morph
# make a patch to make the system evil
PATCH="$DATADIR"/patchfile
tests/morph make-patch "$PATCH" morphs-repo master hello-system.morph \
morphs-repo evil hello-system.morph
UNPACKED="$DATADIR"/unpacked
mkdir -p "$UNPACKED"
tar -C "$UNPACKED" -xf "$DATADIR"/farrokh-stratum
(cd "$UNPACKED" && tbdiff-deploy "$PATCH")
"$UNPACKED"/bin/hello
|
